<?php

namespace app\admin\model\shop;

use think\Model;


class Category extends Model
{

    

    

    // 表名
    protected $name = 'shop_category';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    protected $deleteTime = false;

    // 追加属性
    protected $append = [

    ];
    

    protected static function init()
    {
        self::afterInsert(function ($row) {
            $pk = $row->getPk();
            $row->getQuery()->where($pk, $row[$pk])->update(['weigh' => $row[$pk]]);
        });
    }



    public static function getCategoryChildrenIds($ids, $withself = true)
    {

        $categoryList = Category::where('status', 'normal')
            ->order('weigh desc,id desc')
            //->cache(true)
            ->select();

        $result = [];
        $tree = \fast\Tree::instance();
        $tree->init(collection($categoryList)->toArray(), 'pid');
        $CategoryIds = is_array($ids) ? $ids : explode(',', $ids);
        foreach ($CategoryIds as $index => $CategoryId) {
            $result = array_merge($result, $tree->getChildrenIds($CategoryId, $withself));
        }

        return $result;
    }


}
